Passion Vol. 4 (manga)

A long-awaited rendezvous with his long-distance lover leaves Hikaru’s heart aflutter. However, things never seem to work out as planned with this couple. Hikaru ends up stuck at work and his co-worker Nagisa bumps into Shima-sensei as he waits for Hikaru in front of the school building. Nagisa finds Shima-sensei incredibly cute and adorable and invites him for a drink since his night with Hikaru is ruined. … And Shima-sensei says “Yes?!?”